Machine for making wire fabric



7 ing Patented Apr. 20, 1926.

1,581,965 F I C E ALIBERT FRANOIS LEZBOSS, or STE.ADBESSE, AND YVES GUYON Aim REN HZENBI CHARLES MARTY, 0]! PARIS, FRANCE.

MACHINE FOR. MAIKING WIRE FABRIC.

Application flled Iarch 15, 1926. Serial in. 94,934.

To aZl 107mm it may concern: A

Be it known that we, ALBERT FRANOIS Lnnoss, YVES GUYON, and REN HENRI CHARLES MARTY, citizens of the Repuhlic of France. residing the first at Ste.-Adresse, Seine Infrieure, France. and the other two at Paris, France, have invented certain new and useful Improvements in Machines for l\laking Vire Fabric, of which the.follow ing is a specification. This invention relates to a machinef0r making tubular reticulated metal. fabrics from which bags for holding and transporting various articles may be formed, and has for its object an improved construction.

According to this invention the 'bag is formed of netting the meshes of Which are hexagonal and have four sides constituted by single wires and two opposite sides each constituted by two Wires twisted together for at-least two hait turns.

. The machine for making the bag is one in winch asemes of pairs o complementary,

semi-cylindrical segments are aligned and honsed in semicircular recesses formed in the contacting surfaces of sliding members, all the pairs of complementary segments be: provided with pinions Which are adapted to receive'collectively a rotationalmovement from a sliding rack arranged within one of the longitudinal slides. The slides occupy certain relative positions, with the object of twisting a pair of metal Wires passing throtigh the respective segments, so as to form the netting, whilst the segments are adaptcd to be movcd intermittently in a longitudinal direction by the slides, so as to occupy positions in WlllCh other selected pairs receive a rotational movement, the arrangement being such that the segments do not turn during the intermittent longitudi: nal movement imparted to the slides. In accordance With this invention the machine has two series of similar segments arranged in parallel planes, each series being operated by a pair of sliding bars similar to the slides in the ordinary wire netting machines and a pair of transvcrsing transfer-members or similarmeans at each end of the sliding bars adapted to produce an exchange of segments from one plane to the other to produce an interlacing of the Webs in each plane. said machine thus beingcapable of prodncing a tubular' nett ing, in one piece and W th an odd or even number of twists.

.a threaded segment disposed in a recess in the first transversely movable memher, and Which is. to be transferred to the other plane in line with the second series of segments, a half segment containing no wire, the two members then describing together a transverse movement dring Which the threaded segment is replaced by the empty segment by a rotational movemnt by means of rack mechanism, the transverse movement ceasing when the second transversely movahle member has transferred the segment to theother plane, saidsecond transversely movahle member then reciprocating with the slide of the second series of segments *until it has brought the threaded segment in front of a threaded segment of theseccnd series.

Owing to the fact that these machines are intended for the manufacture of bags and not'continuous nctting, instead of employing bobbins of wire, as in the ordinary wirc netting machines, the segments may be threaded with only a sufiicient length of wire to form a hag.

Figures 1, 2 and 3 are fragmentary VieWs representing types of netting which may be employed for making wire bags;

Figures 4, 5 and 6 represent, in three dif ferent positions, a portion of one form of the machine, shown diagrammatically and in horizontal section;

Figure 7 represents, on a larger scale, the detail of a rack operating mechanism in this machine.

The hody of the bag may be made in one picce by working in a closed circuit, or may consist of several parts, fastened together hy sewing, soldering, interlacing, hooking,

twisting, twining, lmotting or some equiva- A lent method.

Refcrring to the drawings it Will be seen that the slides 43, 4-4, and 46 are arranged in parallel relation to each other. The smicylindrical spindles or segments 49, 50, 51,

52 and 53, are. disposed in recesses' in the slides 43 and 44 to operate in one plane, while the spindles or segments 67, 68, 69, and 71 are disposed in recesses in the slides 45 and 46 to operate in a second plane. The twisting operation performed by the segments mentioned above is similar to that performed by a well-known type of wire netting machine employing segmental spindles and racks for rotating the spindles and needs no further explanation.

It will be observed, by reference-to the drawings, that the slides 43 and 46 are of the same width but that the slides 44 and 45 are each half as wide as slides 43. At each end of the machine are two supplemental slides 47 and 48, each having a Width equal to that of'thc slide 43. The supplemental slides 47', 48 are providcd With channels 47 48, in which are adapted to fit mbs43, 44, 45, 46 on the ends of the slides 43, 44, 45 and 46, thus providing an interlocking connection between the main and supplemental slides so that, when properly positioned, as Will be more fully oxplaied hereinafter the supplemental slides may he carried and reciprocated by the main slides.

In addition to the longitudinal rec1procation imparted to the supplemental slides 4-7, 48, the supplemental slides are adapted to loe given a transverse movement by the main slides. As will be seen in the draw1ngs the ahutting faces et the main and supplemental slides are obliquely disposed to the direction of longitudinal movement of the slides. lVhen the slide 43 has forced the sllde47. against wall 59, further movement of shde '43 towards the left Will tend to cam the slide 47 in a transverse direction. The slides 47, 48 are adapted to abut each other so that transverse movement of the slide 47 Will cause a similar movement of the slide 48, i. e.,.

a transverse. movement.

The Walls 58, 59, 60, 64, 65, 66 0f'the channels in which the slides reciprocate act as guides or stops for the slides. The faces 61, 62, 63 of an abutment of the frame also act as guides and stops for the slides, therr funetion being more fully explained hereinafter.

Each of the slides 47, 4 is provided with a semi-circular recess, a lank segment 55 being disposed in the recess in the slide 48, while a threaded segment 54 is placed in the recess in the slide 47. These segments are brought into alignment immediately before the transverse movement of the slides 47, 48, coeurs. As the segments 54, 55, are transferred from the plane of one series of spindles to the other, the segments 54, 55, are given a rotary movement by pinions (net shown) on the segments which roll on the rack 73. For the sake of cleamess the rack 73 has beenomitted from Fig. 4.

During the transverse movement of the two members 47 and 48, the rack 73 romains 43,. 44 and 45 and 46.

stationary, the segments 54 and 55 meshing With it and turning s0 that they change places during the movement.

Figure 6 shows the position of the members 47 and 48 at the moment when the transverse movement has just been completed. As the slides 43, 44, 45, and 46 continue to move, the members 47 and 48 are given a longitudinal movement, and the same steps take place, as atthe beginning of the movement, but in inverse order. The member 48 is moved so as to present the segment 54 opposite the segment 69, whilst the other segments are mated, i. e., 51 with 53, 68 with 72, and so on, and all the parts are in position for cfiecting the snhsequent twisting under the action of racks situated inside the slides as in the ordinary -wire etting machines, and not shown in the accompanying draW- mus.

TheTack 73 can be actuated in the following mannerits support 74 (Figure 7) is guided by two pins 75 and 7 6, sliding in slots 7 7 in the frame and parallel with the slides Projections 56 and 57 on the slides 47 and 48 respectively are formed with grooves 78 and 79 adapted to engage the pin 7 5. Thus the rack 73 partieipates in the longitudinal movement of whichever of the mmbers 47 or 48 is in a'lignment with the slides 44 and 45.

'-receives a rotational movement during its transverse passage, and is disengaged at the end of the transverse movemeht.

, T he operation of the machine Will now be describedzReferring first to Fig. 4, the twisting operation by all the threaded spindles in each row has just been completed. in other words, two separate webs of netted fabrics in parallel planes are being woven by the usual twisting operation. In accordance with the purpose of this invention it is desired to form a tubular fabric and for this purpose the edges of the fabric are to be connected. At this phase of the operation of the machine the slides move in the directions indicated by the arrows in Fig. 4. The movements -of the slides continuing it Will be seen (Fig. 5) that the segment 54-is brought into alignment with segment 55. Slide 47 abuts Wall 59, the projection 57 on slide 48 abats the face 62, and the rack 73 has been moved towards the right by the projection 57. The slide 43 continues to move toWards the left. At this point. the slide 47 is forced, due to its inclined face, towards the slide 46 in a transverse direo tion, at the same time forcing the slide 48 in the same direction. The relative movements of the slides 48 and 46 are such that the rib Thus the segment 55,wlnch carr1es no w1re, is

. The,directions of movement of the slides 43,

44, 45 and 46 are now reversed and the segment 54 is brought under the segment 69. A11 of the threaded spindles are again r0- tated, the segment 54 twisting its wire with a strand off-the Web formed by the slides 45, 46. \Vhen thddirections of movement are again reversed the segment 54 is returned to the plane of the Web formed by the slides 43, 44. It will thus be seen that the edges of-the webs formed in pzirallel planes are j0iIled by the wire in segment 54.

It Will, of course, be understood that a similar operation occurs at the other ends of the slides 43, 44, 45 and 46. In this manner a tubular netted wire fabric is produc"ed, the advantages of which, particularly in the manufacture of wirebags, will be apparent.

What we daim is: 1. In a machine of the class described, a pair ofslides provided on their adjacent faces with a plurality cf cooperating semicylindrical spindles for netting a web of fabric, a second pair of slides provided on their adjacent faceswith a plurality of cooperating semi-cylindrical spindl es for netting a second web 01 fabric, and means for aiternately transferring one of said semi- 'cylindrical spindles from one pair of slides to the other pair of slides to unite said webs.

2. In a machine of the class described, a pair of slides provided on their adjacent faces with a plurality of cooperating semicy1indrical Spindles for netting a Web of' fabric,-a second pair of slides provided on their adjacent faces with a plurality of cooperating semi-cylindrical spindles for netting a second web of fabric, the faces of one pair of slides lying in a plane parallel to the faces of the other pair Gslides, and means for alternately transferring one of said semi- Cylindrical spindles from each end of one pair of slides to the ends of the other pair of slides, whereby' the edges of the webs are united.

3. In a machine of the class described, a pair of slides provided on their adjacent faces witha plurality cf cooperating semicyiindrica} spindles for netting a web of fabric a second pair of slides provided on their adjacent faces With a pluraiity of cooperating semi-cylindrical spindles for netting a Second web of fabric, and means for alternately transferring one of said semicylindrical spindles from one pair of slides to the other pair of slides to unite said webs,

said means being adapted to be reciprocab ed in the direction of movement of said slides during a portion of the reciprocation of the slides and to be moved angularlv to said direction upon further reciprocation of said slides.

4. In a machine as claimed in claim 1, in

ferred from one pair of slides to the othar pair of slides to rotate said spindle, and means for moving said rack out of engagement with said spindle after said spindle has been transferred from one pairof slides to the other pair of slides.

In testimony Whereof we herento afiix our signatures.

ALBERT FRANOIS LEBOSS.

YVES G UYON. A REN HENRI CHARLES MARTY. 

